Home / 249,813.04-344,750.23-136,635.78

Finding the Fourth Proportional to 249,813.04, 344,750.23 and 136,635.78

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Solution

The fourth proportional to 249,813.04, 344,750.23 and 136,635.78 is: 188,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,813.04 : 344,750.23 = 136,635.78 : x
  2. Step 2: Convert to fraction form
    249,813.04/344,750.23 = 136,635.78/x
  3. Step 3: Cross multiply
    249,813.04x = 344,750.23 × 136,635.78
  4. Step 4: Simplify right side
    249,813.04x = 47,105,216,581.23
  5. Step 5: Solve for x
    x = 47,105,216,581.23/249,813.04
  6. Step 6: Final answer
    x = 188,561.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.